Silo.



M; WILSON.

SILO.

APPLIGAILON EILEDAUG. 8, 1903. 932,737. Patented Aug. 31, 1909.

2 QHEETS-SHEET l.

- I II- a h WITNESSES.-

A TTORNE Y.

.E. M. WILSON.

SILO.

APPLICATION FILED AUG. 8, 1908.

932,737. Patented Aug. 31. 1909.

2 SHEETS-SHEET 2.

Fig.1

WITNESSES. v INVENTOR.

W mliaamortimzrmlson,

(QM. 2% BY A TTORNE Y.

UNITED sTAaEsEATENT OFFICE.

ELIAS MORTIMER WILSON, 0F ANIlERSON, INDIANA, ASSIGNOR TO THE INDIANASILO COMPANY,

OF ANDERSON, INDIANA, A CORPORATION OF INDIANA.

SILO.

To all whom it may concern:

Be it known that LELIAS MORTIMER VIL- sox, of Anderson, county ofMadison, and State of Indiana, have invented acertain new and usefulSilo; and I do hereby declare that the following is a full, clear, andexact description thereof, reference being had to the accompanyingdrawings, in which like numerals refer to like parts.

T he object of this invention is to improve the construction of silos.

One feature of the invention consists in forming the silo of verticallydisposed planks, boards or pieces of timber which are in sections andthe sections are jointed so that water from the material in the silo andotherwise will not enter the joint but will flow down the wall of thesilo past the joint.

The purpose of this improvement is to preserve and prolong the life ofthe timbers at the joints, which is a matter of very great iniportancein the construction of silos. To that end said joint consists ofarounded bead centrally located on the upper end of the board or plankwith a surface sloping downwardly from each side thereof, and theprovision on the adjacent end of the plank above of a groove to receivesaid head snugly and with a surface sloping downwardly from each sidethereof so that the upper end of the lower plank will fit tightly withinthe recess formed in the lower end of the plank above it. Since all thesurfaces at the upper end of the upper plank slope down- 'ardly, waterwill not enter the joint because to do so it will have to flow upwardly,whereas, with horizontal surfaces or the like 'on the upper end'of thelower plank the water would flow into the joint and remain there andsoon cause the decay of the timber. Since there are: so many such jointsin a silo and the material in a silo contains much moisture, the life ofthe silo will be very much prolonged by this improvement.

Another feature of this invention consists in providing means forclamping the doors of the silo in place soas to be readily removable andto serve as steps for climbing up the side of the silo. These two functions result from pivoting to the door the ends of the loop-like rod orbar, the middle portion of which adapted to projectoutwardly somedistance from the door to form a ladder and said means being providednear Specification of Letters Patent.

Application filed August 8, 1908.

Patented Aug. 3 1, 1909.

Serial No; 447,535

each end thereof with a curved cam-like surface adapted toengagestationary pins projecting from the sides of the door casing so that assaid metal loops are turned from a vertical down to a horizontalposition they will clamp the door partly in position and remain in arigid horizontal. position for ladder purposes. At the same time theends of ,said metal loop do not extend beyond the sides of the door sothat by turning the metal loop to its vertical position the door can bereadily removed from its opening inwardly.

The full nature of this invention will be understood from theaccompanying drawings and the following description and claims:.

In the drawings Figure 1 is a side elevation of the silo, showing theupper doors re- .moved, the lower doors being in place.

Fig. 2 is a perspective view of a section of the door frame, one doorbeing in place and one removed. Fig. 3 is an inside view of what isshown in Fig. Fig. l is a section on the line 4-4 of Fig. 1. Fig. 5 is asec tion on the line of Fig. l. Fig. 6 is a central vertical sectionthrough the silo. Fig. 7 is an edge view of two planks, showing thejoint. Fig. 8 is a perspective of what is shown in F g. 7 with the jointdrawn apart.

In detail the drawings herein show a oylindrical silo. with the. sidewall thereof formed of a number of boards 10 and 11. The edges of theseboards are vertically provided with tongues and grooves whereby they aretightly joined attheir edges.

Since silos are high it is necessary that the boards 10 and 11 beconnected by transverse joints, as shown in Figs. (5 and 7 and to prevent these joints from receiving and holding water whereby they willsoon decay, I pro vide a bead l2 centrally on the upper end of thelowerboard 10, said bead being oval or curved in cross section so that waterwill flow off the same and'from each side of said bead 12 there extendsa downwardly inclined surface 13 so that the water will flow off saidsurfaces. The upper board ll has a central transverse groove 14 adaptedto snugly receive the bead 12 andqa. downwardly inclined surface [5extending from each side of said groove 14 mlapted to overlap thesurfaces 13, as shown in Fig. 7.

\Vith the timbers forming the silo connectone silo.

ed at their ends by the joint described, water will not flow upwardlyinto the joint but the joint will be maintained substantially dryandthus greatly prolong the life of the 8110 because there are manyoints and planks in The silo herein shown provided with "vertically disosed' door casing formin a number of oor openings 21 one above the otherseparated by stationary intervenin wall portions 22. These openings areclose by doors 23 that are'p'ut 1n place from the inside and fit againstthe ledges 24 of the cas=' ing and are clamped against said ledges by,the loop-like or U-sh'aped rod or bar 25,-

turned from a'vertical to a horizontal position, engages pins 29projecting inwardly from the ledges 24 of the door casing and,therefore, draw the door outwardly and clamp it against said ledges 24.When the door'is thus clamped, the rod or bar 25 is supported by thepins in a horizontal position so that it'serves as a step for useinclimbing up the side "of the silo. to get into the silo forpitching'out a ortion of the contents when the same is. desired to beused.

It is thus observed that the bar 25 and associated parts not onlysucceed-in clamping the doorand holding it closed, but serves for ladderpurposes. I

What I claim as my invention, and desire to secure by Letters Patent is:p

1. A silo including a wall formed of verlower board at each joint tiallydisposed boards joined with each other at their ends, the upper end ofthe iaving a central upwardly extending bead curved downwardly in crosssection and a surface sloping downwardly from each side thereof, and theend of the upper board of each joint having a central groove to receivesaid bead, and

side. surfaces sloping downwardly from eachside thereof so as to fitsnugly upon the corresponding surfaces of the board below, sub--stantially as set forth.

2. A silo including a vertical door casing having a series of dooroienings, doors for closing said openings, an means extendingtransversely of the door and connected at their ends to the sides of thedoor and the door casing for securing the doors in their closedpositions and which project outwardly therefrom to form steps forclimbing the silo.

3. A silo including a wall with a door casing and lodges thereon, a doorfitting insaid casing and against the ledges, pins extending inwardlyfrom the ledges, and a bar with its ends turned at thright angle to thebody- 1h ereof and )ivoted to said door between the sides thereo andsaid end portions being bent to form a curved surface for engaging saidpins and resting'upon said pins whereby the door will be clamped inplace when the bar is turned to a horizontal position and the bar willserve as a ladder and when turned in an upward position said bar willdisengage the door from said pins and permit the ready removal of thedoor. In witness whereof, I have hereunto ailixed my signature in thepresence of the witnesses herein named.

ELIAS MORTIMER WILSON. Witnesses O. M. (inunnnn, \V. M. GENTLE.-

